Re: CONFIG_HIGHMEM on PPC
From: Roman Zippel <hidden>
Date: 2001-01-25 09:25:38
From: Roman Zippel <hidden>
Date: 2001-01-25 09:25:38
Hi, On Thu, 25 Jan 2001, Dan Malek wrote:
When HIGHMEM is used, memory pages are mapped to virtual addresses that are not 1:1 mapped. Our simple virt_to_phys macros won't work with HIGHMEM pages.
And they don't have to. If you have a highmem page, use kmap to get temporary virtual mapping. On the other hand most of the drivers should never see a highmem page.
I would like to know who works on APUS as well.
I do currently. bye, Roman ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/